Free Tools
Educational Tools
Free tools to help students learn, practice, and get things done. No sign-up. No cost.
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Simple Calculator
Basic arithmetic calculator with full calculation history. Perfect for everyday maths.
AdditionSubtractionHistory
🔬Intermediate
Scientific Calculator
Trig, logarithms, powers, roots, factorial, memory & more. DEG/RAD/GRAD modes + 2ND key.
TrigLogarithmsMemory
📊Advanced
Financial Calculator
Time Value of Money calculator — compute N, I/Y, PV, PMT, FV instantly. BA II Plus style.
TVMFinanceCFA
🔡Popular
Number to Words
Convert any number to words in 8 languages including Arabic, Hindi, Urdu. Supports 8 currencies.
ArabicHindiCurrency