BVCalc Lite vs my11c

Calculate with confidence. BVCalc Lite combines live-updating algebraic entry with an RPN stack that shows the full expression behind every value. Reuse past work with a tap, switch modes anytime, and audit every step. Upgrade to BVCalc to unlock • Unlimited history tape & memory (Lite supports up to 2 items in memory and 4 calculations in the history tape) • Additional color theme & settings • No helper popups on scientific keys • Full external-keyboard letter shortcuts Core features in Lite • Live result as you type — no “=” key • Reuse expressions from the tape/stack, not just values • Shared tape/stack with readable infix history • Switch between Algebraic ↔ RPN mid-calculation • Touch-friendly stack gestures (tap to swap/roll) • Basic & Scientific keyboards; copy/paste; edit history • Color-coded parentheses, themes, high-contrast mode • Memory for reusable snippets • No ads BVCalc Lite makes partial-step workflows fast and reliable: what you see is the math you actually entered.

The scientific calculator that defined an era — now in your pocket. my11C brings the legendary 11C Voyager series scientific calculator back to life with cycle-accurate emulation running the original microcode. Every keystroke, every display flicker, every RPN operation — faithfully reproduced. WHY ENGINEERS LOVED THE 11C The 11C wasn't just a calculator — it was the trusted companion of engineers, scientists, and students throughout the 1980s. Its blend of powerful scientific functions, full programmability, and the legendary efficiency of RPN made it a desk-and-pocket classic. Decades later, it remains a benchmark of how a calculator should feel. FEATURES - Cycle-accurate emulation — runs the original Voyager microcode, not a simulation - Full RPN entry — the efficient Reverse Polish Notation 4-level stack - Programmable — write, store, edit, and run programs just like the original (up to 203 lines) - Complete scientific function set — trigonometric and inverse trig in DEG, RAD, and GRAD - Logarithms and exponentials — LN, LOG, e^x, 10^x - Powers, roots, reciprocals, factorial, and percentages - Statistics — mean, standard deviation, and linear regression - Permutations and combinations - Random number generator - Rectangular to polar coordinate conversion - Hours-minutes-seconds conversions - Display formatting — FIX, SCI, and ENG notation - Conditional tests and flags for real programming - Authentic 7-segment LCD display with all original annunciators BUILT FOR TODAY - iCloud sync — your calculator state follows you across devices - Native on iPhone and Mac — landscape optimized on iOS, resizable window on macOS - Full keyboard support on Mac — type numbers and operators directly - Dark interface faithful to the original Voyager design - Built-in Owner's Manual for quick reference