FuncNote vs my15c

Write and calculate side-by-side with the Note Calculator—perfect for budgets, shopping lists, calorie tracking, and more. ==================== ◆ Top Use Cases ==================== • Budgeting: sort expenses by folder and check monthly totals in seconds • Shopping lists: compare "price × quantity + shipping" for bulk buys • Health tracking: instantly add up calories and PFC balance per ingredient • Study & work: save formulas with variables and recalc whenever you change a value ==================== ◆ Key Features ==================== • Basic arithmetic, variables, and user-defined functions • Built-in functions: exp, ln, log, pow, sqrt, sin, cos, tan, etc. • Constants: pi and Euler's number e • Comment lines for notes right inside your calculations • Folder organization to keep everything tidy • Theme switcher and adjustable font size • Rounding method and decimal-place controls ==================== ◆ Why You'll Love It ==================== 1. Every step is saved—spot input errors at a glance 2. Edit a number and results update instantly 3. Spreadsheet-level power with a fraction of the effort 4. More powerful than a calculator, lighter than a spreadsheet Capture the ease of notes and the power of a full scientific calculator. Download now and start a smarter way of crunching numbers! ==================== ◆ Disclaimer ==================== • Although we strive for accuracy, we cannot guarantee that all results and information are entirely correct or complete. Use at your own risk. • The developer is not liable for any direct or indirect damages arising from the use or inability to use this app, including but not limited to loss of profit, data, or business interruption.

my15C is a faithful emulation of the classic 15C — the legendary RPN scientific programmable calculator, running the original Voyager-series microcode ROM, cycle-accurate. Built for engineers, scientists, and RPN enthusiasts who want the real thing in their pocket — not just a look-alike. FEATURES • Authentic 15C ROM emulation — same logic, same quirks as the original 1982 hardware • Full RPN entry with a 4-level stack • Complex number arithmetic • Matrix operations • Numerical integration (∫f(x)) • Root solving (SOLVE) • Full programmability — write, edit, and run your own programs • Continuous memory with iCloud sync across your devices • Authentic 7-segment LCD display and keyboard layout • Landscape-optimized for iPhone, iPad, and Mac