End-Systolic Pressure and Stroke Volume Calculation (Joules) Estimate ventricular stroke work per beat using end-systolic pressure (ESP) and stroke volume (SV), then project work per minute and equivalent power. End-Systolic Pressure (ESP) Enter ventricular end-systolic pressure value. Pressure Unit mmHgkPa…
End Diastolic Pressure Calculation (LVEDP Estimator) Use this clinical calculator to estimate left ventricular end diastolic pressure (LVEDP) from echocardiographic Doppler values using a commonly cited equation: LVEDP = 1.9 + (1.24 × E/e’). Calculation method Echocardiographic estimate (E/e’ based)…
Enclosed Volume of Ideal Gas is Heated Pressure Calculator Estimate pressure rise in a sealed container using Gay-Lussac’s Law (constant volume and constant gas amount). Initial Pressure Initial Pressure Unit kPaPabarpsiatm Initial Temperature Final Temperature Temperature Unit (for both temperatures)…
TI-84 Mean Frequency Distribution Calculator Calculate the Mean Frequency Distribution TI-84 Style Enter values and their frequencies to instantly compute the weighted mean, total frequency, sum of products, and a chart that mirrors the logic you use on a TI-84…
Emergency Medicine Pediatric Blood Pressure Calculator Rapid bedside support for age-adjusted hypotension screening, MAP, pulse pressure, and visual comparison. Patient Age Age Unit YearsMonths Sex (optional for context) UnspecifiedFemaleMale Measured Systolic BP (mmHg) Measured Diastolic BP (mmHg) Heart Rate (bpm,…
Elliptical Pressure Vessel Calculator Compute required shell and 2:1 ellipsoidal head thickness, MAWP estimate, and vessel internal volume. Design Internal Pressure Pressure Unit MPabarpsi Joint Efficiency, E Internal Diameter D (mm) Cylinder Straight Length L (mm) Corrosion Allowance CA (mm)…
Elliptical Dome Calculator Pressure Estimate allowable internal pressure (MAWP) for an ellipsoidal dome head using common pressure-vessel design relationships. Inside Diameter D (mm) Use internal head diameter in millimeters. Nominal Thickness t (mm) Total shell head thickness before corrosion allowance.…
Calculate the Mean Free Time τ for Silico Estimate the carrier mean free time, also called the relaxation time, for silicon-based transport analysis using the mobility relation τ = μm* / q. This premium calculator supports electron and hole presets,…
Ellipsoidal Head Pressure Vessel Calculator Compute required thickness, MAWP, geometric properties, and pressure sensitivity for a 2:1 ellipsoidal head using industry-standard shell design relationships. Unit System Metric (MPa, mm)US Customary (psi, in) Material Preset (Typical Allowable Stress) Custom InputSA-516 Gr…
Ellipsoidal Head Calculator Pressure Estimate required ellipsoidal head thickness and pressure capacity using an ASME-style calculation workflow. Design Pressure Pressure Unit MPabarpsikPa Inside Diameter Diameter Unit mmin Allowable Stress (S) Stress Unit MPaksipsi Weld Joint Efficiency (E) Head Factor (K)…