Record Type 7″ Single (45 RPM)10″ Record12″ LP Album (33⅓ RPM)Custom Size Custom Diameter (inches) RPM (Revolutions Per Minute) 33⅓ RPM (LP)45 RPM (Single)78 RPM (Shellac) Groove Spacing (grooves per inch) Typical: 96-120 for LP, 200-300 for 45s Number of Records Calculate Reset Estimated Playing Time (Per Side) Record Diameter: inches Speed: RPM Groove Length:…
Amount in South African Rand (R) R Exchange Rate (1 USD = ? ZAR) Current rate: ~18.50 ZAR per USD (update as needed) Convert Reset Converted Amount $ USD Original Amount: R Exchange Rate: 1 USD = ZAR Calculation: 💱 Exchange rates fluctuate. Check current rates for accuracy. Academic performance tracking is important for students,…
Monthly Income Monthly Income (After Tax) $ Monthly Expenses Housing $ Utilities $ Food & Groceries $ Transportation $ Insurance $ Entertainment $ Debt Payments $ Other Expenses $ Calculate Budget Reset Total Income $ Total Expenses $ Net Income $ Expense Breakdown: Housing: $ Utilities: $ Food: $ Transportation: $ Insurance: $ Entertainment: $…
Choose Trig Identity to Prove Pythagorean: sin²x + cos²x = 1Tangent-Secant: tan²x + 1 = sec²xCotangent-Cosecant: cot²x + 1 = csc²xQuotient: tan(x) = sin(x)/cos(x)Quotient: cot(x) = cos(x)/sin(x)Reciprocal: csc(x) = 1/sin(x)Reciprocal: sec(x) = 1/cos(x)Double Angle: sin(2x) = 2sin(x)cos(x)Double Angle: cos(2x) = 1 – 2sin²(x) Test Angle x (degrees) Prove Identity Reset Left Hand Side Right Hand…
Mathematical Identity (a+b)(a-b) = a² – b²(a+b)² = a² + 2ab + b²(a-b)² = a² – 2ab + b²(a+b)³ = a³ + 3a²b + 3ab² + b³(a-b)³ = a³ – 3a²b + 3ab² – b³a³ – b³ = (a-b)(a² + ab + b²)a³ + b³ = (a+b)(a² – ab + b²) Value of ‘a’ Value…
Select Trigonometric Identity sin²θ + cos²θ = 11 + tan²θ = sec²θ1 + cot²θ = csc²θsin(2θ) = 2sin(θ)cos(θ)cos(2θ) = cos²θ – sin²θsin(θ/2) = ±√[(1-cosθ)/2]sin(A+B) = sin(A)cos(B) + cos(A)sin(B)cos(A+B) = cos(A)cos(B) – sin(A)sin(B) Angle θ (degrees) Angle B (degrees) Prove Identity Reset LHS (Left Hand Side): RHS (Right Hand Side): Calculation Steps: Trigonometry becomes much easier…
Select Identity to Prove Pythagorean: sin²(x) + cos²(x) = 1Double Angle: sin(2x) = 2sin(x)cos(x)Tangent: tan(x) = sin(x)/cos(x)Reciprocal: csc(x) = 1/sin(x)Sum: sin(A+B) = sin(A)cos(B) + cos(A)sin(B) Enter Angle Value (degrees) Enter Second Angle (degrees) Prove Identity Reset Identity Formula: Left Side: Right Side: Verification Details: Mathematics often requires proving that two expressions are equal for all…
Screen Width (pixels) Screen Height (pixels) Diagonal Size (inches) Calculate Reset PPI (Pixels Per Inch) Pixel Pitch: mm Megapixels: MP Quality: When comparing screens, many people only look at resolution such as 1080p, 1440p, or 4K. However, true screen sharpness depends on both resolution and display size. Our PPI Calculator helps you instantly calculate Pixels…
Vehicle Price $ Down Payment $ Trade-In Value $ Interest Rate (%) Loan Term 24 months (2 years)36 months (3 years)48 months (4 years)60 months (5 years)72 months (6 years)84 months (7 years) Calculate Reset Monthly Payment $ Loan Amount: $ Total Interest: $ Total Amount Paid: $ Down Payment: $ Buying a vehicle is…
Horizontal Resolution (pixels) Vertical Resolution (pixels) Screen Diagonal (inches) Calculate Reset Pixels Per Inch PPI Total Pixels: Dot Pitch: mm Screen Type: Sharpness Rating: When buying a screen or comparing devices, resolution alone does not always tell the full story. A smaller display with the same resolution as a larger display often looks sharper. That…