Scientific Calculator Source Code In Java Free Download Apr 2026

public String calculate(String expression, boolean isDegree) try Double.isInfinite(result)) return "Error"; // Round to 10 decimal places BigDecimal bd = new BigDecimal(result); bd = bd.setScale(10, RoundingMode.HALF_UP); // Remove trailing zeros String formatted = bd.toPlainString(); if (formatted.contains(".")) formatted = formatted.replaceAll("0*$", ""); formatted = formatted.replaceAll("\\.$", ""); return formatted; catch (Exception e) return "Error";

public String calculateUnary(String operation, String value, boolean isDegree) try double num = Double.parseDouble(value); double result = 0; switch (operation) x return String.valueOf(result); catch (Exception e) return "Error"; scientific calculator source code in java free download

public void setAngleMode(boolean degree) this.degreeMode = degree; public String calculate(String expression

private double factorial(int n) n == 1) return 1; double result = 1; for (int i = 2; i <= n; i++) result *= i; return result; bd = bd.setScale(10