Launch

Tutoring

The tutoring service is based on a drop-in/walk-in system. It is a first come first served basis. There is no appointment necessary.

Tutoring hours are different for each semester and are subject to change

Day Fall/Spring Time Summer Time Final Exam Time
Monday 9am-9pm 10am-7pm 10am-7pm
Tuesday 9am-9pm 10am-7pm 10am-7pm
Wednesday 9am-9pm 10am-7pm 10am-7pm
Thursday 9am-9pm 10am-7pm 10am-7pm
Friday 9am-6pm 10am-3pm 10am-7pm
Saturday 1pm-5pm 1pm-5pm 1pm-5pm
Sunday 1pm-7pm N/A 1pm-7pm

Contact information

For additional information, contact LSS at (713) 743-5411 or come by room N109 Cougar Village (bldg. 563)
We look forward to seeing you at LSS for free tutoring!

Student Responsibilities

Your learning experience during tutoring will be more productive if you follow these suggestions:

  • Bring your course syllabus and any relevant materials, such as your textbooks, notes, etc.
  • Bring specific questions about the material.
  • Tutors are not expected to do your assignments or to teach you material you have not studied.

Tutoring Schedule

CourseMTWThFSaSu
ACCT2331
10am-12pm
3pm-9pm
9am-11am
8pm-9pm
5pm-9pm
9am-11am
7pm-9pm
12pm-4pm
2pm-5pm
1pm-7pm
ACCT2332
3pm-5pm
10am-11am
10am-11am
12pm-4pm
2pm-5pm
ACCT3366
10am-12pm
3pm-9pm
10am-11am
5pm-9pm
10am-11am
12pm-4pm
2pm-5pm
1pm-7pm
ACCT3367
10am-12pm
5pm-9pm
5pm-9pm
1pm-7pm
ACCT3368
10am-12pm
5pm-9pm
5pm-9pm
1pm-7pm
ACCT3377
10am-12pm
3pm-9pm
10am-11am
5pm-9pm
10am-11am
12pm-4pm
2pm-5pm
1pm-7pm
ARAB1501
1pm-2pm
3pm-5pm
1pm-2pm
3pm-9pm
9am-11am
5pm-7pm
9am-2pm
1pm-6pm
ARAB1502
1pm-2pm
3pm-5pm
1pm-2pm
3pm-9pm
9am-11am
5pm-7pm
9am-2pm
1pm-6pm
ARAB2301
1pm-2pm
3pm-5pm
1pm-2pm
3pm-9pm
9am-11am
5pm-7pm
9am-2pm
1pm-6pm
ARAB2302
1pm-2pm
5pm-7pm
9am-11am
5pm-7pm
9am-2pm
1pm-6pm
BCHS3304
10am-11am
3pm-6pm
4pm-9pm
6pm-9pm
BCHS3305
10am-11am
3pm-6pm
4pm-9pm
6pm-9pm
BCHS4361
10am-11am
3pm-6pm
4pm-9pm
6pm-9pm
BIOL1310
9am-11am
1pm-2pm
4pm-5pm
9am-12pm
1pm-3pm
5pm-7pm
9am-11am
4pm-7pm
9am-12pm
1pm-3pm
5pm-7pm
9am-11am
1pm-5pm
1pm-6pm
BIOL1320
1pm-2pm
1pm-3pm
5pm-7pm
9am-11am
4pm-5pm
1pm-3pm
5pm-7pm
9am-2pm
1pm-6pm
BIOL1361
10am-11am
1pm-2pm
3pm-6pm
1pm-3pm
5pm-7pm
9am-11am
4pm-9pm
1pm-3pm
5pm-9pm
9am-2pm
1pm-6pm
BIOL1362
10am-11am
1pm-2pm
3pm-6pm
1pm-3pm
5pm-7pm
9am-11am
4pm-9pm
1pm-3pm
5pm-9pm
9am-2pm
1pm-6pm
BIOL3301
10am-11am
3pm-6pm
1pm-3pm
4pm-9pm
1pm-3pm
6pm-9pm
BIOL3324
10am-11am
3pm-6pm
4pm-9pm
6pm-9pm
BIOL3332
10am-11am
1pm-2pm
3pm-6pm
9am-11am
4pm-9pm
6pm-9pm
9am-2pm
BIOL3341
1pm-2pm
9am-11am
9am-2pm
CHEE2331
9am-4pm
5pm-9pm
9am-4pm
6pm-9pm
9am-2pm
6pm-9pm
10am-1pm
3pm-4pm
10am-11am
12pm-1pm
3pm-6pm
1pm-7pm
CHEE2332
9am-1pm
6pm-9pm
9am-12pm
1pm-4pm
6pm-9pm
9am-1pm
6pm-9pm
10am-11am
1pm-5pm
6pm-8pm
1pm-7pm
CHEE3300
9am-1pm
9am-12pm
1pm-4pm
9am-1pm
1pm-7pm
CHEE3321
9am-2pm
6pm-9pm
9am-12pm
1pm-2pm
3pm-4pm
6pm-9pm
9am-2pm
6pm-9pm
10am-1pm
10am-11am
12pm-2pm
3pm-6pm
1pm-7pm
CHEE3333
1pm-5pm
1pm-7pm
CHEE3363
1pm-5pm
1pm-7pm
CHEM1111
10am-11am
10am-11am
3pm-4pm
6pm-8pm
10am-11am
6pm-8pm
10am-11am
6pm-8pm
CHEM1112
10am-11am
10am-11am
3pm-4pm
6pm-8pm
10am-11am
6pm-8pm
10am-11am
6pm-8pm
CHEM1301
9am-2pm
3pm-4pm
5pm-9pm
9am-2pm
3pm-4pm
6pm-9pm
9am-11am
12pm-2pm
3pm-9pm
10am-4pm
6pm-8pm
10am-11am
12pm-2pm
3pm-6pm
2pm-5pm
1pm-7pm
CHEM1331
9am-2pm
3pm-9pm
9am-2pm
3pm-9pm
9am-11am
12pm-2pm
3pm-9pm
10am-9pm
9am-2pm
3pm-6pm
2pm-5pm
1pm-7pm
CHEM1332
9am-2pm
3pm-9pm
9am-2pm
3pm-4pm
6pm-9pm
9am-11am
12pm-2pm
3pm-9pm
10am-4pm
6pm-9pm
9am-2pm
3pm-6pm
2pm-5pm
1pm-7pm
CHEM1372
12pm-2pm
3pm-6pm
12pm-2pm
10am-1pm
6pm-9pm
10am-11am
12pm-1pm
3pm-6pm
1pm-5pm
CHEM3221
5pm-9pm
9am-10am
8pm-9pm
9am-10am
7pm-9pm
CHEM3331
9am-2pm
3pm-9pm
9am-2pm
3pm-4pm
5pm-7pm
8pm-9pm
9am-2pm
3pm-5pm
6pm-9pm
9am-10am
11am-4pm
5pm-9pm
9am-2pm
3pm-6pm
2pm-5pm
1pm-7pm
CHEM3332
9am-2pm
3pm-9pm
9am-2pm
3pm-4pm
6pm-9pm
9am-2pm
4pm-5pm
6pm-9pm
9am-10am
11am-4pm
6pm-9pm
9am-4pm
2pm-5pm
1pm-7pm
CHEM3369
9am-12pm
1pm-2pm
4pm-9pm
12pm-1pm
3pm-4pm
6pm-9pm
9am-3pm
4pm-5pm
6pm-9pm
9am-2pm
2pm-5pm
CHEM4369
9am-12pm
1pm-2pm
5pm-9pm
12pm-1pm
3pm-4pm
6pm-9pm
1pm-5pm
6pm-9pm
CHEM4372
9am-12pm
1pm-2pm
5pm-9pm
12pm-1pm
3pm-4pm
6pm-9pm
1pm-5pm
6pm-9pm
CHEM4373
10am-11am
3pm-6pm
4pm-9pm
6pm-9pm
CHNS1501
11am-1pm
2pm-4pm
5pm-6pm
8pm-9pm
11am-1pm
1pm-4pm
8pm-9pm
4pm-6pm
1pm-5pm
CHNS1502
11am-1pm
2pm-4pm
5pm-6pm
8pm-9pm
11am-1pm
1pm-4pm
8pm-9pm
4pm-6pm
1pm-5pm
CHNS2301
11am-1pm
2pm-4pm
5pm-6pm
8pm-9pm
11am-1pm
1pm-4pm
8pm-9pm
4pm-6pm
1pm-5pm
CHNS2302
11am-1pm
2pm-4pm
5pm-6pm
8pm-9pm
11am-1pm
1pm-4pm
8pm-9pm
4pm-6pm
1pm-5pm
CIVE2330
11am-12pm
5pm-7pm
10am-2pm
4pm-7pm
10am-12pm
5pm-8pm
2pm-7pm
COMD2338
2pm-7pm
11am-1pm
3pm-6pm
COMD2339
2pm-7pm
11am-1pm
3pm-6pm
COMD2376
2pm-7pm
11am-1pm
3pm-6pm
COMD3383
2pm-7pm
11am-1pm
3pm-6pm
COSC1306
9am-12pm
1pm-2pm
4pm-9pm
9am-1pm
2pm-4pm
5pm-9pm
9am-11am
1pm-5pm
6pm-9pm
9am-12pm
1pm-6pm
8pm-9pm
9am-12pm
1pm-6pm
1pm-5pm
COSC1430
9am-1pm
4pm-5pm
9am-12pm
2pm-4pm
5pm-6pm
8pm-9pm
9am-1pm
4pm-7pm
9am-12pm
1pm-6pm
8pm-9pm
9am-12pm
1pm-6pm
1pm-5pm
COSC2430
11am-1pm
2pm-4pm
5pm-6pm
8pm-9pm
11am-1pm
1pm-4pm
8pm-9pm
4pm-6pm
1pm-5pm
COSC2440
9am-11am
4pm-5pm
9am-12pm
9am-11am
4pm-7pm
9am-12pm
9am-11am
1pm-5pm
COSC6340
ECE2100
2pm-5pm
2pm-5pm
11am-3pm
4pm-6pm
ECE2201
2pm-5pm
2pm-5pm
11am-3pm
4pm-6pm
ECE2202
2pm-5pm
2pm-5pm
11am-3pm
4pm-6pm
ECE3155
2pm-5pm
2pm-5pm
11am-3pm
4pm-6pm
ECE3337
2pm-5pm
2pm-5pm
11am-3pm
4pm-6pm
ECE3355
2pm-5pm
2pm-5pm
11am-3pm
4pm-6pm
ECE3436
2pm-5pm
2pm-5pm
11am-3pm
4pm-6pm
ECON2301
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-5pm
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-4pm
ECON2304
9am-11am
1pm-2pm
4pm-7pm
9am-10am
12pm-5pm
6pm-7pm
9am-11am
1pm-3pm
4pm-5pm
9am-10am
12pm-4pm
5pm-8pm
2pm-7pm
ECON2305
9am-11am
1pm-2pm
4pm-7pm
9am-10am
12pm-5pm
9am-11am
1pm-3pm
4pm-5pm
9am-10am
12pm-4pm
ECON2370
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-5pm
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-4pm
ECON3332
1pm-7pm
9am-3pm
ECON3334
1pm-7pm
9am-3pm
ECON3370
1pm-7pm
9am-3pm
ECON3371
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-5pm
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-4pm
ELET2300
11am-12pm
11am-12pm
1pm-2pm
10am-11am
ENGI1100
12pm-2pm
3pm-5pm
10am-4pm
12pm-2pm
10am-12pm
1pm-4pm
10am-11am
12pm-1pm
3pm-6pm
1pm-7pm
ENGI1331
3pm-5pm
10am-4pm
10am-12pm
1pm-4pm
10am-11am
1pm-7pm
ENGL1100
12pm-2pm
12pm-2pm
10am-1pm
10am-11am
12pm-1pm
3pm-6pm
ENGL1303
9am-11am
12pm-2pm
3pm-9pm
9am-11am
12pm-7pm
8pm-9pm
9am-11am
12pm-2pm
4pm-7pm
9am-11am
12pm-9pm
9am-2pm
3pm-6pm
1pm-5pm
1pm-7pm
ENGL1304
9am-11am
12pm-2pm
3pm-9pm
9am-11am
12pm-1pm
2pm-7pm
8pm-9pm
9am-11am
12pm-2pm
4pm-7pm
9am-11am
12pm-4pm
5pm-9pm
9am-2pm
3pm-6pm
1pm-5pm
2pm-7pm
FINA3332
10am-12pm
5pm-9pm
5pm-9pm
1pm-7pm
FREN1501
11am-2pm
3pm-5pm
1pm-9pm
9am-11am
2pm-7pm
9am-6pm
1pm-4pm
1pm-4pm
FREN1502
11am-2pm
3pm-5pm
1pm-9pm
9am-11am
2pm-7pm
9am-6pm
1pm-4pm
1pm-4pm
FREN2301
11am-2pm
3pm-5pm
1pm-9pm
9am-11am
2pm-7pm
9am-6pm
1pm-4pm
1pm-4pm
FREN2302
11am-2pm
3pm-5pm
1pm-9pm
2pm-7pm
11am-1pm
2pm-6pm
1pm-4pm
1pm-4pm
GEOL1330
10am-11am
10am-11am
3pm-4pm
6pm-8pm
10am-11am
6pm-8pm
10am-11am
6pm-8pm
HLT3325
5pm-9pm
9am-10am
8pm-9pm
9am-10am
7pm-9pm
HON2101
5pm-9pm
9am-10am
8pm-9pm
9am-10am
7pm-9pm
HON2301
5pm-9pm
9am-10am
8pm-9pm
9am-10am
7pm-9pm
HON3301
5pm-9pm
9am-10am
8pm-9pm
9am-10am
7pm-9pm
HON3305
5pm-9pm
9am-10am
8pm-9pm
9am-10am
7pm-9pm
INDE2333
10am-1pm
3pm-9pm
10am-1pm
3pm-4pm
5pm-9pm
12pm-2pm
KIN1304
5pm-9pm
9am-10am
8pm-9pm
9am-10am
7pm-9pm
LATN1301
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-5pm
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-4pm
MATH1100
9am-2pm
5pm-9pm
9am-12pm
1pm-2pm
3pm-4pm
6pm-9pm
9am-11am
12pm-2pm
4pm-9pm
10am-11am
1pm-3pm
6pm-8pm
10am-11am
12pm-2pm
3pm-6pm
1pm-7pm
MATH1300
9am-1pm
2pm-9pm
9am-2pm
3pm-7pm
8pm-9pm
9am-11am
12pm-1pm
2pm-9pm
9am-12pm
1pm-9pm
9am-11am
12pm-6pm
1pm-5pm
1pm-7pm
MATH1310
9am-1pm
2pm-9pm
9am-12pm
1pm-2pm
3pm-7pm
8pm-9pm
9am-11am
12pm-2pm
3pm-9pm
9am-12pm
1pm-3pm
4pm-9pm
9am-12pm
1pm-2pm
3pm-6pm
1pm-5pm
1pm-7pm
MATH1311
10am-1pm
2pm-4pm
5pm-9pm
9am-12pm
1pm-2pm
3pm-9pm
10am-11am
12pm-2pm
3pm-9pm
9am-12pm
1pm-3pm
4pm-8pm
10am-6pm
1pm-7pm
MATH1312
9am-12pm
1pm-2pm
3pm-9pm
12pm-1pm
3pm-9pm
10am-9pm
4pm-8pm
11am-2pm
3pm-6pm
MATH1313
9am-12pm
1pm-2pm
3pm-9pm
9am-11am
12pm-2pm
3pm-5pm
6pm-9pm
9am-11am
1pm-2pm
4pm-9pm
9am-11am
12pm-4pm
9am-4pm
2pm-5pm
1pm-7pm
MATH1314
9am-2pm
3pm-9pm
9am-2pm
3pm-4pm
6pm-9pm
9am-11am
12pm-3pm
4pm-9pm
10am-1pm
3pm-4pm
5pm-9pm
9am-2pm
3pm-6pm
1pm-5pm
1pm-7pm
MATH1330
9am-12pm
1pm-9pm
9am-2pm
3pm-9pm
9am-11am
12pm-2pm
3pm-9pm
9am-12pm
1pm-8pm
9am-12pm
1pm-2pm
3pm-6pm
1pm-5pm
2pm-7pm
MATH1431
9am-1pm
2pm-9pm
9am-2pm
3pm-7pm
8pm-9pm
9am-2pm
3pm-9pm
9am-12pm
1pm-7pm
8pm-9pm
9am-12pm
1pm-2pm
3pm-6pm
1pm-5pm
1pm-7pm
MATH1432
9am-1pm
2pm-9pm
9am-2pm
3pm-7pm
8pm-9pm
9am-11am
12pm-3pm
4pm-5pm
6pm-9pm
9am-12pm
1pm-7pm
8pm-9pm
9am-12pm
1pm-2pm
3pm-6pm
1pm-5pm
1pm-7pm
MATH1450
9am-12pm
1pm-2pm
5pm-9pm
12pm-1pm
3pm-4pm
6pm-9pm
1pm-5pm
6pm-9pm
MATH2311
9am-12pm
1pm-2pm
3pm-9pm
9am-10am
12pm-2pm
3pm-5pm
6pm-7pm
8pm-9pm
9am-11am
1pm-2pm
3pm-9pm
9am-10am
12pm-4pm
5pm-9pm
9am-2pm
2pm-5pm
1pm-7pm
MATH2331
9am-11am
1pm-9pm
9am-1pm
2pm-6pm
9am-11am
12pm-3pm
4pm-8pm
9am-1pm
2pm-7pm
9am-11am
1pm-6pm
1pm-5pm
MATH2433
9am-1pm
2pm-4pm
5pm-9pm
9am-12pm
1pm-2pm
3pm-9pm
9am-3pm
4pm-5pm
6pm-9pm
9am-12pm
1pm-3pm
4pm-9pm
10am-1pm
2pm-6pm
1pm-5pm
1pm-7pm
MATH3321
9am-12pm
1pm-2pm
3pm-9pm
12pm-7pm
8pm-9pm
9am-2pm
3pm-9pm
1pm-3pm
4pm-7pm
8pm-9pm
9am-2pm
3pm-6pm
1pm-5pm
1pm-6pm
MATH3325
2pm-4pm
6pm-8pm
9am-2pm
5pm-7pm
12pm-3pm
6pm-8pm
9am-11am
2pm-3pm
2pm-5pm
MATH3336
11am-1pm
2pm-4pm
5pm-6pm
8pm-9pm
11am-1pm
1pm-6pm
8pm-9pm
9am-12pm
3pm-6pm
1pm-5pm
MATH3339
5pm-9pm
9am-1pm
6pm-7pm
8pm-9pm
9am-10am
5pm-9pm
2pm-7pm
MECE1331
3pm-6pm
6pm-9pm
1pm-5pm
MECE2334
11am-12pm
5pm-7pm
10am-2pm
4pm-7pm
10am-12pm
5pm-8pm
2pm-7pm
MECE2336
11am-12pm
3pm-7pm
10am-2pm
4pm-7pm
10am-12pm
5pm-9pm
1pm-5pm
2pm-7pm
MECE3336
11am-12pm
5pm-7pm
10am-2pm
4pm-7pm
10am-12pm
5pm-8pm
2pm-7pm
MECE3338
11am-12pm
5pm-7pm
10am-2pm
4pm-7pm
10am-12pm
5pm-8pm
2pm-7pm
MECE3363
11am-12pm
5pm-7pm
10am-2pm
4pm-7pm
10am-12pm
5pm-8pm
2pm-7pm
MECE3369
11am-12pm
5pm-7pm
10am-2pm
4pm-7pm
10am-12pm
5pm-8pm
2pm-7pm
MECE4343
11am-12pm
5pm-7pm
10am-2pm
4pm-7pm
10am-12pm
5pm-8pm
2pm-7pm
MECE4364
11am-12pm
5pm-7pm
10am-2pm
4pm-7pm
10am-12pm
5pm-8pm
2pm-7pm
MECT3355
11am-12pm
11am-12pm
1pm-2pm
10am-11am
MIS3300
4pm-7pm
4pm-7pm
4pm-8pm
11am-1pm
3pm-6pm
MIS3360
4pm-7pm
4pm-7pm
4pm-8pm
11am-1pm
3pm-6pm
PHIL1301
11am-2pm
5pm-7pm
10am-1pm
11am-2pm
5pm-7pm
10am-1pm
PHIL1305
11am-2pm
5pm-7pm
10am-1pm
11am-2pm
5pm-7pm
10am-1pm
PHIL1321
9am-11am
1pm-2pm
3pm-7pm
9am-10am
12pm-2pm
3pm-9pm
9am-11am
1pm-2pm
4pm-7pm
9am-10am
12pm-4pm
1pm-4pm
PHIL2321
11am-2pm
5pm-7pm
10am-1pm
11am-2pm
5pm-7pm
10am-1pm
PHYS1301
10am-11am
12pm-2pm
3pm-9pm
9am-10am
11am-12pm
1pm-4pm
8pm-9pm
10am-1pm
3pm-9pm
9am-10am
11am-12pm
1pm-5pm
6pm-9pm
9am-2pm
3pm-6pm
1pm-5pm
1pm-7pm
PHYS1302
10am-11am
12pm-2pm
3pm-6pm
1pm-4pm
4pm-9pm
1pm-3pm
6pm-9pm
11am-4pm
PHYS1306
1pm-6pm
9am-12pm
3pm-6pm
1pm-5pm
PHYS1321
9am-12pm
1pm-2pm
3pm-4pm
5pm-9pm
9am-1pm
2pm-9pm
10am-9pm
10am-12pm
1pm-5pm
6pm-9pm
10am-1pm
2pm-6pm
1pm-5pm
1pm-7pm
PHYS1322
9am-12pm
1pm-2pm
3pm-9pm
12pm-4pm
6pm-9pm
10am-9pm
1pm-5pm
6pm-9pm
11am-4pm
1pm-5pm
1pm-7pm
PHYS3315
9am-12pm
1pm-2pm
5pm-9pm
12pm-1pm
3pm-4pm
6pm-9pm
1pm-5pm
6pm-9pm
PHYS3316
9am-12pm
1pm-2pm
5pm-9pm
12pm-1pm
3pm-4pm
6pm-9pm
1pm-5pm
6pm-9pm
PSYC1300
1pm-2pm
3pm-7pm
10am-2pm
3pm-9pm
5pm-8pm
1pm-7pm
PSYC2301
5pm-7pm
10am-1pm
6pm-7pm
5pm-8pm
2pm-7pm
PSYC3301
5pm-7pm
10am-1pm
6pm-7pm
5pm-8pm
2pm-7pm
RUSS1501
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-5pm
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-4pm
RUSS1502
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-5pm
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-4pm
RUSS2301
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-5pm
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-4pm
RUSS2302
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-5pm
9am-11am
1pm-2pm
4pm-5pm
9am-10am
12pm-4pm
SPAN1501
3pm-7pm
10am-4pm
6pm-7pm
10am-4pm
5pm-8pm
1pm-7pm
SPAN1502
3pm-7pm
10am-4pm
6pm-7pm
10am-4pm
5pm-8pm
1pm-7pm
SPAN2301
5pm-7pm
10am-1pm
6pm-7pm
5pm-8pm
2pm-7pm
SPAN2302
5pm-7pm
10am-1pm
6pm-7pm
5pm-8pm
2pm-7pm
STAT3331
10am-12pm
1pm-2pm
3pm-9pm
1pm-2pm
3pm-9pm
5pm-9pm
1pm-7pm
TECH1313
1pm-3pm
4pm-5pm
1pm-3pm
TMTH3360
9am-11am
1pm-9pm
9am-10am
12pm-3pm
5pm-7pm
9am-11am
1pm-2pm
3pm-9pm
9am-11am
12pm-4pm
12pm-3pm