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Discover tools from different categories to expand your toolkit beyond Text.
Telescope FOV Calculator
Calculate telescope field of view, magnification, and image scale for eyepieces and cameras. Determine what celestial objects will fit in your view for optimal visual observing and astrophotography.
Astronomy
Capital Gains Tax Calculator
Calculate capital gains tax for 2026 with short-term vs long-term rates, NIIT, and state taxes
Financial
Time Calculator
Calculate time differences or add/subtract hours, minutes, and seconds with our free online time calculator. Perfect for time tracking and management.
Datetime
Roman Numeral Converter
Convert between Roman numerals and Arabic numbers with rules and explanations
Math