Type an expression or tap the keys. Results are parsed with real operator
precedence — no eval — and every calculation drops onto the tape.
The FIN strip adds time-value-of-money and cash-flow functions:
present/future value, payments, NPV, IRR and more.
0-9 . ( ) + − * / ^ ! % · Enter evaluate · Backspace delete · Esc all-clear
Financial: pv(rate,nper,pmt[,fv]) fv(rate,nper,pmt[,pv]) pmt(rate,nper,pv[,fv]) nper(rate,pmt,pv[,fv]) rate(nper,pmt,pv[,fv[,guess]]) npv(rate,cf1,cf2,…) irr(cf0,cf1,…) sl(cost,salvage,life) ci(principal,rate,nper[,n]) si(principal,rate,time) — rates are per-period fractions (6% = 0.06), not percentages.