VantaCalc

VantaCalc is a fast, reliable scientific calculator built as a solo project, designed for users who want precision, clarity, and smooth performance. Every function is arranged for minimal friction, whether you're doing quick everyday calculations or working through advanced expressions.

Core Features

• Scientific Calculator
• Trigonometry: sin, cos, tan
• Logarithms and natural log
• Powers, roots, exponentiation
• Constants: pi and e
• Percentage logic
• Full expression parsing with live preview
• Supports radians and degrees

• Smart Expression Engine
• High‑precision decimal math
• Auto‑closing parentheses
• Variable assignment (example: x = 5+3)
• Real‑time preview of results while typing
• Error handling for invalid expressions

• History Panel
• Automatically saves all calculations
• Tap to reuse expressions or results
• Multi‑select mode for exporting or clearing
• Export history as text or as a clean PNG image

• Memory Functions
• M+, M–, MR, MC for multi‑step workflows

• Unit Converter
• Time
• Length
• Weight
• Temperature
• Area
• Volume
• Speed
• Pressure
• Energy
• Power

• Clean, Minimal UI
• Fast and responsive layout
• Built‑in dark and light themes
• Safe‑area aware for modern devices

• Offline Operation
• All features work without an internet connection

Future Targets

Short Term Targets
• More constants (φ, τ, Avogadro, c, etc.)
• Inverse trigonometric functions (asin, acos, atan)
• Hyperbolic functions (sinh, cosh, tanh)
• Adjustable font size for accessibility
• High‑contrast and custom theme variants
• Modulo operator (a mod b)

Long Term Targets
• Combinations and permutations (nCr, nPr)
• Statistical functions (mean, median, standard deviation)
• Single‑variable equation solver
• Graph plotting (2D)
• Matrix operations (addition, multiplication, inverse)
• Symbolic differentiation and integration

VantaCalc is crafted for students, professionals, and anyone who needs a dependable, polished calculator that balances advanced tools with a simple, focused design.