4n6 Tools Pro

4n6 Tools Pro is a suite of professional calculators and tools for forensic medicine, intended for forensic pathologists, medical examiners, experts and medical students. TIME OF DEATH AND THANATOLOGY • Henssge nomogram — PMI from rectal temperature, separate equations for cool and warm environments, a corrective-factor assistant, direct date and time of death • Post-mortem changes — livor, rigor by muscle group, corneal clouding, the late post-mortem period with Casper's rule; a graphic timeline of the windows with their intersection • Vitreous potassium — four published methods plus hypoxanthine as an independent check • Forensic entomology — developmental stages with illustrations, the ADD method, thermal summation from daily temperatures with microclimate correction TOXICOLOGY • Ethanol — interpretation of concentrations, Widmark, back-calculation to the time of the event, a blood-alcohol curve with an uncertainty band, time of sobriety, breath conversion • Drug reference — 67 substances with therapeutic, toxic and lethal ranges, plus post-mortem femoral blood percentiles from 122,000 autopsies • CO-Hb — carboxyhaemoglobin interpretation and assessment of vitality in fire TRAUMA AND CARDIAC PATHOLOGY • Burns — TBSA per Lund and Browder, the Baux score and its revision • BSA and predicted heart weight; age estimation from aortic circumferences IDENTIFICATION AND ANTHROPOLOGY • DVI — structured per the INTERPOL DVI Guide, primary and secondary identifiers, identification categories • Odontology — dental chart, AM/PM comparison, six age-estimation methods • Blood groups and stains — AB0/Rh inheritance, angle of impact, presumptive tests • Stature from long bones, sex and age of the skeleton, foetal age from the femur, BMI, volumetric weight estimate MICROSCOPY AND IMAGE ANALYSIS • Counting of cells and structures with semi-automatic detection • Desmin IHC — CPA quantification following a published methodology • Colorimeter — objective colour naming with grey-card calibration • Fotograme3ka — lengths, angles and areas from a photograph; native distance measurement on LiDAR-equipped devices • littlEye AI — the author's stand-alone app for AI assessment of histology slides (27 organs, an atlas of 100+ diagnoses, on-device model training): https://apps.apple.com/app/littleye-ai/id6799417580 BUILT FOR EXPERT PRACTICE • Every result carries a range or a caveat; an impossible input returns an explanation, not a number • Source citations with every method • Case and report — enter the case data once; the tools hand their results to a shared export • Slovak and English including recalculated results, adjustable text size including Dynamic Type, light, dark and system appearance • All calculations run on the device; the app requires no internet connection and transmits no data ABOUT THE PRICE The price is not arbitrary. The app is built for the examining physician and the forensic expert, and its content is extensive: 27 tools, 67 substances with reference levels, methods revised against the primary literature and cited with every result. After VAT and the App Store commission, roughly 57 % of each purchase reaches the developer - a single forensic physician who builds, maintains and updates the app in his own time. One-time purchase: no subscription, no ads, no data collection. The app is a professional aid. Values are orientational and do not replace medical judgement; the final assessment belongs to a qualified expert.