Education & Study Tools
15 free tools · no signup · runs in your browser
Calculators and generators for students, teachers and parents — math with steps shown, GPA math, citations and practice sheets.
Most-used in this category
GCF and LCM Calculator
Free GCF and LCM calculator that shows Euclid’s algorithm AND prime factorization side by side. Verified worked examples, no signup.
Long Division Calculator with Steps
Free long division calculator that prints every bus-stop step: bring down, divide, multiply, subtract — plus the decimal expansion. Works offline.
Pythagorean Theorem Calculator
Enter any two sides of a right triangle; get the third with the full working shown. Recognizes 3-4-5 family triples instantly. Free, no signup.
Significant Figures Calculator
Counts the significant figures in any number, explains WHY each digit counts, and rounds to 1-6 sig figs. Chem-lab homework staple. Free.
Ohm's Law Calculator
Enter any two of voltage, current, resistance or power — the other two solve instantly with formulas and steps shown. Free, works offline.
Resistor Color Code Calculator
Interactive resistor color code calculator: pick bands to get ohms, or enter ohms to get colors. Includes tolerance range and step-by-step math.
Text to Handwriting Converter
Convert typed text to realistic handwriting on lined paper. Pick style, ink color and letter size, download the page as PNG. 100% in-browser.
Test Grade Calculator
Enter points wrong vs points possible and get the percentage plus letter grade — the teacher's easy grader. Free.
Word Search Generator
Create printable word search puzzles with your own words, grid sizes and hidden-message reveals. Teachers love it. Free.
APA Citation Generator
Generate APA 7 citations for websites, books and journals with correct italics and hanging indents, explained. Free.
College GPA Calculator
Calculate your GPA with credit hours and letter grades, including plus/minus grades, repeats and semester planning. Free.
High School GPA Calculator
Compute weighted and unweighted high school GPA with Honors and AP boosts, per semester or cumulative. Free.
Thesis Statement Generator
Build a strong 3-part thesis statement from your topic, claim and evidence — with six academic formula patterns. Free.
Final Grade Calculator
Find the exam score you need for your target grade — current grade, weight of the final and goal in, answer out. Free.
MLA Citation Generator
Generate MLA 9 citations with the right container logic and punctuation, plus works-cited formatting notes. Free.