Free exam tools
Work the math and code look-ups your exam asks for, and get the answer in seconds. Every tool is free, with no signup.
Each tool shows its formula and a worked example, then a free 10-question check that scores you by topic so you know what to fix first.
Tools by topic
Practice tests and drills
1 resourceCheck yourself on questions, symbols and code look-ups, then see what to fix.
Tools and calculators
5 resourcesRun the math your exam asks for and get the answer in seconds.
- Ohm's law calculator: V, I, R, P, 3-phaseEnter any two of volts, amps, ohms and watts, or work three-phase power with power factor, formulas shown.
- Series and parallel resistance calculator with stepsResistor values to total resistance in series, parallel or both, then total current and the voltage across each resistor, every step shown.
- Transformer calculator: kVA to amps, turns ratiokVA to primary and secondary amps, single- or three-phase, plus kVA from volts and amps and turns ratio, every step shown.
- Texas journeyman study plan: week by weekA week-by-week Texas journeyman plan weighted by the ten PSI subject areas, from your exam date and hours.
- Voltage drop calculator: 1-phase and 3-phaseVolts and percent drop for a single- or three-phase run, and the smallest size that holds your target.
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Free 10-question check
See which topics to fix first. Free, with every answer explained.
More free practice
TX Journeyman
- Read a free lesson (TX Journeyman)A full lesson from the course, with practice questions. No signup.
- Take the free 25-question timed test (TX Journeyman)Your score by topic and every answer explained at the end.
- Question of the day (TX Journeyman)One new question a day, with the answer and the reference.
- Free flashcards (TX Journeyman)A sample deck. Cards you miss come back sooner.
- Print a class quiz (free PDF) (TX Journeyman)5 practice questions with an answer key on page 2.
- Print the flashcards as cut-out cards (free PDF) (TX Journeyman)The free flashcard sample, ready to cut and carry.
TX Master
- Read a free lesson (TX Master)A full lesson from the course, with practice questions. No signup.
- Take the free 25-question timed test (TX Master)Your score by topic and every answer explained at the end.
- Question of the day (TX Master)One new question a day, with the answer and the reference.
- Free flashcards (TX Master)A sample deck. Cards you miss come back sooner.
- Print a class quiz (free PDF) (TX Master)10 practice questions with an answer key on page 2.
- Print the flashcards as cut-out cards (free PDF) (TX Master)The free flashcard sample, ready to cut and carry.