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Discover tools from different categories to expand your toolkit beyond Math.

Calculate Apgar scores to assess newborn health immediately after birth. Evaluate vital signs and determine need for intervention.

Create perfectly sized thumbnails from your images. Free online thumbnail generator with custom dimensions and aspect ratio control.

Calculate normal distribution probabilities, Z-scores, and percentiles

Calculate sunrise, sunset, solar noon, twilight times, and day length for any location and date. Free online sun position and daylight calculator.