- Significant Figures & Scientific Notation with Steps
Count significant digits, normalize numbers to scientific notation, and apply half-up, half-even, or away-from-zero rounding for + − × ÷ with textbook versus final rounding, CSV export, and shareable logs.
- 13th Month Pay — Non-taxable Cap (₱90,000)
Kalkulahin ang di-natatayang bahagi (hanggang ₱90,000) at ang pasok sa buwis na bahagi ng 13th month at iba pang benepisyo. Edukasyonal lamang.
- 2D Geometry Kalkulator (Area & Perimeter: Rectangle, Circle, Triangle, Trapezoid, Regular Polygon)
Quickly compute area and perimeter for rectangles, circles, triangles, trapezoids, and regular polygons.
- 2D Graphing Kalkulator — plot up to 3 functions with intersection & extrema steps
Plot up to three functions, detect x-intercepts, intersections, and extrema via bisection and numeric derivatives. Includes zoom, pan, shareable URLs, and transparent step logs.
- 3D Geometry Kalkulator (Sphere, Cylinder, Cone, Prism)
Compute volume and surface area for spheres, cylinders, cones, rectangular and regular prisms—with unit controls and a shareable result link.
- Anggaran PCB（Potongan Cukai Bulanan）— pendidikan
Anggarkan PCB bulanan berdasarkan gaji kasar dan kadar anggaran (%). Untuk pendidikan/rujukan; kadar sebenar tertakluk kepada jadual LHDN.