Perform calculations with a clean interface. Store and reuse numbers using the Memory Area. Bookmark equations for quick access. Drag and drop values between calculations. Switch between scientific and basic modes. Export results as text or image.
by Raja Vijayaraman★ 4.71,941 ratingsProductivity$1.99Data updated 2026-11-07
Calculate GSV, API60, NSV, and VCF using shakeout data. Input GOV and BS&W to determine NSV. Apply ASTM Table 5A for API60 and ASTM Table 6A for VCF. Convert observed gravity to standard volume using standard tables.
Calculate , transverse strain, or axial strain using built-in formulas. Input values in various units and receive results with up to 16 decimal places. Copy results to other apps for further use.