Calculator Shortcuts Cheat Sheet (TI-30XS and BA II Plus)

TI-30XS MultiView

• Factorial: Type n, then PRB, select n!
• Combinations: Type n, PRB, nCr, type r
• Permutations: Type n, PRB, nPr, type r
• Powers: Use the caret (^) key for any exponent
• Natural log: Press LN key directly
• e^x: Press 2nd, then LN
• Store values: STO followed by variable letter (X, Y, Z, A, B, C)
• Recall values: RCL followed by variable letter
• Table function: Enter formula, press TABLE to see values at multiple points
• Toggle exact/decimal: Press the fraction/decimal toggle key

BA II Plus

• TVM calculations: N, I/Y, PV, PMT, FV (enter known values, compute unknown)
• Clear TVM: 2nd CLR TVM before each new problem
• Payment timing: 2nd BGN to toggle between END and BGN mode
• Amortization: 2nd AMORT, set P1 and P2, scroll for BAL, PRN, INT
• Cash flow: CF, enter CF0, then C01, F01, C02, F02, etc.
• NPV: After entering cash flows, press NPV, enter I, CPT
• IRR: After entering cash flows, press IRR, CPT
• Bond worksheet: 2nd BOND for settlement date, coupon, redemption, yield
• Set decimal places: 2nd FORMAT, enter desired decimals
• Chain calculations: Use ANS key to reference last computed result

Time-Saving Tips

• Store intermediate results in memory variables to avoid re-entry
• Use the annuity formula on BA II Plus rather than computing individual cash flows
• For Exam P: use TI-30XS for combinations, factorials, and probability calculations
• For Exam FM: use BA II Plus for TVM, amortization, and bond calculations
• Practice with your exam calculator daily so it becomes automatic